#ifndef THREADING_H
#define THREADING_H

#include <ace/Thread.h>
#include <ace/TSS_T.h>
#include <ace/Atomic_Op.h>
#include <assert.h>

class Runnable
{
    public:
        virtual ~Runnable() {}
        virtual void run() = 0;

        void incReference() { ++m_refs; }
        void decReference()
        {
            if (!--m_refs)
                delete this;
        }
    private:
        ACE_Atomic_Op<ACE_Thread_Mutex, long> m_refs;
};

enum Priority
{
    Idle,
    Lowest,
    Low,
    Normal,
    High,
    Highest,
    Realtime
};

#define MAXPRIORITYNUM (Realtime + 1)

class ThreadPriority
{
    public:
        ThreadPriority();
        int getPriority(Priority p) const;

    private:
        int m_priority[MAXPRIORITYNUM];
};

class Thread
{
    public:
        Thread();
        explicit Thread(Runnable* instance);
        ~Thread();

        bool start();
        bool wait();
        void destroy();

        void suspend();
        void resume();

        void setPriority(Priority type);

        static void Sleep(unsigned long msecs);
        static ACE_thread_t currentId();
        static ACE_hthread_t currentHandle();
        static Thread * current();

    private:
        Thread(const Thread&);
        Thread& operator=(const Thread&);

        static ACE_THR_FUNC_RETURN ThreadTask(void * param);

        ACE_thread_t m_iThreadId;
        ACE_hthread_t m_hThreadHandle;
        Runnable* m_task;

        typedef ACE_TSS<Thread> ThreadStorage;
        //global object - container for Thread class representation of every thread
        static ThreadStorage m_ThreadStorage;
        //use this object to determine current OS thread priority values mapped to enum Priority{}
        static ThreadPriority m_TpEnum;
};

#endif
